Desk phone expansion module



FIG. 1 is a front-left perspective view of a desk phone expansion module, showing our new design;

FIG. 2 is a top-right-back perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a back view thereof; and,

FIG. 9 is a front-right view thereof in an in-use position, being connected to a desk phone depicted in broken lines.

The broken lines in FIG. 9 showing the connected desk phone depict environmental subject matter only and form no part of the claim, while all other broken lines depict portions of the desk phone expansion module that form no part of the claimed design.

The thin, black lines shown in long dashes with intermittent breaks are shading and/or tangent lines to show contour of the surfaces or curved edges of a desk phone expansion module, and do not actually appear on the surface of the device. 

CLAIM The ornamental design for a desk phone expansion module, as shown and described. 